No abstract available
Keywords:
Autoantibodies; Systemic sclerosis.
MeSH terms
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Aged
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Antibodies, Antinuclear / immunology*
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DNA Topoisomerases, Type I / immunology
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Female
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Humans
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Male
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Middle Aged
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Scleroderma, Systemic / immunology*
Substances
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Antibodies, Antinuclear
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anticentromere antibody
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DNA Topoisomerases, Type I